Function Description; Connector Defi Nition; Power Supply Board - Haier LED46T3 Service Manual

Service Manual
Model No.: LEA46T3

4-2-1. Function Description:

Main Board
Process signal which incept from exterior equipment then translate into signal that panel can display.
4-2-2. Connector defi nition
Main board connector
Speaker connector (CON2)
Pin number Signal name
1 LOUT+
2 LOUT-
3 ROUT-
4 ROUT+
12V/5V Connector (CNA1)
Pin number Signal name
1 +12V
2 +12V
3 GND
4 +12V
5 GND
6 GND
7 5VSTB
8 /
9 GND
10 PW-ON/OFF
11 PB-ADJUS
12 PB-ON/OFF

4-3. Power Supply Board

4-3-1. Function description:
To supply power for Mainboard, Panel.
4-3-2. Connector defi nition:
INPUT CONNECTOR (CN10)
14
Keypad Connector (CNE2)
Pin number Signal name
1 GND
2 KEY1
3 KEY0
4 3.3VS
Rom connector (CNE1)
Pin number Signal name
1 5VS
2 IR
3 LED-R
4 LED-G
5 GND